Subject: Re: ATAPI CD-ROM questions
To: Brian C. Grayson <bgrayson@marvin.ece.utexas.edu>
From: Manuel Bouyer <bouyer@antioche.lip6.fr>
List: port-i386
Date: 03/16/1999 11:51:04
On Mar 15, Brian C. Grayson wrote
>   I just picked up an IDE CD-ROM drive today, and I can
> actually use it!  Many thanks to those involved (primarily
> Manuel, I assume).
> 
>   I have a few questions.
> 
>   1.  At the first major access, I get "lost interrupt" messages,
>     the machine basically freezes for 30 seconds to a minute,
>     and DMA is turned off ("downgrading to PIO mode 3").  Is
>     there a known fix for this?  The drive is a Memorex CRW-1622
>     CD-RW drive, 2x writes, 6x reads.  This is on i386, of fairly
>     recent -current vintage.  The autoconf says the drive
>     supports DMA mode 1.  The drive is master on the secondary
>     string, and my IDE disk is master on the first string.

Could you send me the dmesg ? 

--
Manuel Bouyer, LIP6, Universite Paris VI.           Manuel.Bouyer@lip6.fr
--